jfreechat.java

一个好用的聊天工具

package jswift.kernal.chart.test;

import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import org.jfree.chart.JFreeChart;
import org.jfree.data.DefaultPieDataset;
import org.jfree.data.DefaultCategoryDataset;
import org.jfree.data.XYSeries;
import org.jfree.data.XYDataset;
import org.jfree.data.XYSeriesCollection;

import jswift.kernal.chart.ChartMaker;
import jswift.kernal.chart.ChartFactory;

public class ChartDemo extends Action
{
	public ActionForward execute( ActionMapping mapping,
		 ActionForm form,
		 HttpServletRequest request,
		 HttpServletResponse response )
		throws Exception
	{
		HttpSession session = request.getSession( true );
		
		/**
		ChartMaker chartMaker = 
			ChartFactory.initChartMaker( "testpie3d", 
			servlet.getServletContext(), req );
		
		DefaultPieDataset pieDataset = new DefaultPieDataset();
		pieDataset.setValue( "JavaWorld", new Integer( 75 ) );
		pieDataset.setValue( "Other", new Integer( 25 ) );
		
		chartMaker.addDataset( pieDataset );
		*/
		
		/**
		ChartMaker chartMaker = 
			ChartFactory.initChartMaker( "testmultiplepie", 
			servlet.getServletContext(), req );
		
		DefaultCategoryDataset categoryDataset = new DefaultCategoryDataset();
		categoryDataset.setValue( new Integer(20), "2001", "First Quater" );
		categoryDataset.setValue( new Integer(35), "2002", "Second Quater" );
		categoryDataset.setValue( new Integer(40), "2001", "First Quater" );
		categoryDataset.setValue( new Integer(60), "2002", "Second Quater" );
		chartMaker.addDataset( categoryDataset );
		*/
		
		ChartMaker chartMaker = 
			ChartFactory.initChartMaker( "testVerticalBar3D", 
			servlet.getServletContext(), request );
				
		DefaultCategoryDataset categoryDataset = new DefaultCategoryDataset();
		categoryDataset.setValue( new Integer(20), "2001", "First Quater" );
		categoryDataset.setValue( new Integer(35), "2002", "Second Quater" );
		categoryDataset.setValue( new Integer(40), "2001", "First Quater" );
		categoryDataset.setValue( new Integer(60), "2002", "Second Quater" );
		chartMaker.addDataset( categoryDataset );
		
		/**
		ChartMaker chartMaker = 
		ChartFactory.initChartMaker( "testScatterPlot", 
		servlet.getServletContext(), request );
		
		XYSeries series = new XYSeries( "Average Size" );
		series.add( 20.0, 10.0 );
		series.add( 40.0, 20.0 );
		series.add( 70.0, 50.0 );
		XYDataset xyDataset = new XYSeriesCollection( series );
		chartMaker.addDataset( xyDataset );
		*/
		
		/**
		ChartMaker chartMaker = 
		ChartFactory.initChartMaker( "testBar", 
			servlet.getServletContext(), req );
		
		DefaultCategoryDataset categoryDataset = new DefaultCategoryDataset();
		categoryDataset.setValue( new Integer(20), "2001", "First Quater" );
		categoryDataset.setValue( new Integer(35), "2002", "Second Quater" );
		categoryDataset.setValue( new Integer(40), "2001", "First Quater" );
		categoryDataset.setValue( new Integer(60), "2002", "Second Quater" );

		chartMaker.addDataset( categoryDataset );
		*/
		
		try
		{
			JFreeChart chart = chartMaker.createChart();
		  	session.setAttribute( "testVerticalBar3D", chart );
		}
		catch ( Exception e )
		{
			e.printStackTrace();
		}
		
		return mapping.findForward( "success" );
	}		  
}